Writing instrument



FIG. 1 is a front view of a writing instrument showing our new design;

FIG. 2 is a first side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a forward upper perspective view thereof; and,

FIG. 8 is a side view thereof in the coiled configuration.

The broken lines in FIGS. 1 to 8 are included for the purpose of showing portions of the writing instrument that form no part of the claimed design. 

CLAIM The ornamental design for a writing instrument, as shown and described. 